Patricia Routledge stars as Hetty Wainthropp in this BBC drama series. Hetty wakes on her 60th birthday and decides to become a private investigator. With assistance from a teenager called Geoffrey who she caught shoplifting and her husband Robert, combined with her own common sense, Hetty is confident she can solve any case. In 'The Bearded Lady' Hetty is busy setting up her detective agency. When investigating the death of a homeless person, Hetty and Geoffrey find they are stumbling upon a greater mystery. Anxious parents contact Hetty in the episode 'Eye Witness' when they believe their profoudly deaf son is missing. 'Fingers' sees Hetty keeping an eye on the family in England of the owner of her holiday hotel in Italy. They are being threatened and Hetty intends to find out by whom. Hetty and husband Robert investigate the alleged suicide of a former professional footballer in 'Widdershins'. 'High Profile' sees Hetty searching for Michael, a boy with learning difficulties. In 'Safe As Houses' Hetty is hired to find an old friend's foster daughter and investigates a series of arson attacks.